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from __future__ import absolute_import
import time
from threading import Event, Thread
from .agent.predictor import PredictAgent
from .agent.metrics.ceph_cluster import CephClusterAgent
from .agent.metrics.ceph_mon_osd import CephMonOsdAgent
from .agent.metrics.ceph_pool import CephPoolAgent
from .agent.metrics.db_relay import DBRelayAgent
from .agent.metrics.sai_agent import SAIAgent
from .agent.metrics.sai_cluster import SAICluserAgent
from .agent.metrics.sai_disk import SAIDiskAgent
from .agent.metrics.sai_disk_smart import SAIDiskSmartAgent
from .agent.metrics.sai_host import SAIHostAgent
from .common import DP_MGR_STAT_FAILED, DP_MGR_STAT_OK, DP_MGR_STAT_WARNING
class AgentRunner(Thread):
task_name = ''
interval_key = ''
agents = []
def __init__(self, mgr_module, agent_timeout=60, call_back=None):
"""
:param mgr_module: parent ceph mgr module
:param agent_timeout: (unit seconds) agent execute timeout value, default: 60 secs
"""
Thread.__init__(self)
self._agent_timeout = agent_timeout
self._module_inst = mgr_module
self._log = mgr_module.log
self._start_time = time.time()
self._th = None
self._call_back = call_back
self.exit = False
self.event = Event()
self.task_interval = \
int(self._module_inst.get_configuration(self.interval_key))
def terminate(self):
self.exit = True
self.event.set()
self._log.info('PDS terminate %s complete' % self.task_name)
def run(self):
self._start_time = time.time()
self._log.info(
'start %s, interval: %s'
% (self.task_name, self.task_interval))
while not self.exit:
self.run_agents()
if self._call_back:
self._call_back()
if self.event:
self.event.wait(int(self.task_interval))
self.event.clear()
self._log.info(
'completed %s(%s)' % (self.task_name, time.time()-self._start_time))
def run_agents(self):
obj_sender = None
try:
self._log.debug('run_agents %s' % self.task_name)
from .common.grpcclient import GRPcClient, gen_configuration
conf = gen_configuration(
host=self._module_inst.get_configuration('diskprediction_server'),
user=self._module_inst.get_configuration('diskprediction_user'),
password=self._module_inst.get_configuration(
'diskprediction_password'),
port=self._module_inst.get_configuration('diskprediction_port'),
cert_context=self._module_inst.get_configuration('diskprediction_cert_context'),
mgr_inst=self._module_inst,
ssl_target_name=self._module_inst.get_configuration('diskprediction_ssl_target_name_override'),
default_authority=self._module_inst.get_configuration('diskprediction_default_authority'))
obj_sender = GRPcClient(conf)
if not obj_sender:
self._log.error('invalid diskprediction sender')
self._module_inst.status = \
{'status': DP_MGR_STAT_FAILED,
'reason': 'invalid diskprediction sender'}
raise Exception('invalid diskprediction sender')
if obj_sender.test_connection():
self._module_inst.status = {'status': DP_MGR_STAT_OK}
self._log.debug('succeed to test connection')
self._run(self._module_inst, obj_sender)
else:
self._log.error('failed to test connection')
self._module_inst.status = \
{'status': DP_MGR_STAT_FAILED,
'reason': 'failed to test connection'}
raise Exception('failed to test connection')
except Exception as e:
self._module_inst.status = \
{'status': DP_MGR_STAT_FAILED,
'reason': 'failed to start %s agents, %s'
% (self.task_name, str(e))}
self._log.error(
'failed to start %s agents, %s' % (self.task_name, str(e)))
raise
finally:
if obj_sender:
obj_sender.close()
def is_timeout(self):
now = time.time()
if (now - self._start_time) > self._agent_timeout:
return True
else:
return False
def _run(self, module_inst, sender):
self._log.debug('%s run' % self.task_name)
for agent in self.agents:
self._start_time = time.time()
retry_count = 3
while retry_count:
retry_count -= 1
try:
obj_agent = agent(module_inst, sender, self._agent_timeout)
obj_agent.run()
del obj_agent
break
except Exception as e:
if str(e).find('configuring') >= 0:
self._log.debug(
'failed to execute {}, {}, retry again.'.format(
agent.measurement, str(e)))
time.sleep(1)
continue
else:
module_inst.status = \
{'status': DP_MGR_STAT_WARNING,
'reason': 'failed to execute {}, {}'.format(
agent.measurement, ';'.join(str(e).split('\n\t')))}
self._log.warning(
'failed to execute {}, {}'.format(
agent.measurement, ';'.join(str(e).split('\n\t'))))
break
class MetricsRunner(AgentRunner):
task_name = 'Metrics Agent'
interval_key = 'diskprediction_upload_metrics_interval'
agents = [CephClusterAgent, CephMonOsdAgent, CephPoolAgent,
SAICluserAgent, SAIDiskAgent, SAIHostAgent, DBRelayAgent,
SAIAgent]
class PredictRunner(AgentRunner):
task_name = 'Predictor Agent'
interval_key = 'diskprediction_retrieve_prediction_interval'
agents = [PredictAgent]
class SmartRunner(AgentRunner):
task_name = 'Smart data Agent'
interval_key = 'diskprediction_upload_smart_interval'
agents = [SAIDiskSmartAgent]
class TestRunner(object):
task_name = 'Test Agent'
interval_key = 'diskprediction_upload_metrics_interval'
agents = [CephClusterAgent, CephMonOsdAgent, CephPoolAgent,
SAICluserAgent, SAIDiskAgent, SAIHostAgent, DBRelayAgent,
SAIAgent, SAIDiskSmartAgent]
def __init__(self, mgr_module):
self._module_inst = mgr_module
def run(self):
for agent in self.agents:
obj_agent = agent(self._module_inst, None)
obj_agent.run()
del obj_agent
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